LG TCD1870QGS Service Manual page 45

E. Instructions for checking the inlet gas
pressure.(See Picture 2)
① Loosen the screw in the inlet gas pressure hole on the
gas valve
② Connect a manometer tube to the inlet gas pressure hole.
③ Check the inlet gas pressure hole.
F. Instruction for adjusting the manifold gas
pressure (See Picture 2)
① Remove the cap.
② Loosen the screw in the manifold gas pressure hole on the
gas valve.
③ Connect the manometer tube to the manifold gas pressure
hole.
④ Start drying selecting High temp. cycle.
⑤ Adjust the maximum pressure setting nut(Yellow nut)clock
wise to the rated using a spanner on max heating operation.
Do not adjust the minimum pressure setting nut (Black nut).
⑥ After adjusting the nut. The manifold gas pressure doesn't satisfy and lower than rated manifold pressure,
additional setting way help you reach rated pressure refer to ⑦.
⑦ It can be adjusted additionally using the set-up menu(StUP->3ndt(Natural gas pressure value), 3Pdt(LP gas
pressure value).
⑧ After conversion, tighten the screw on the manifold gas pressure hole and put on the cap.
G. Flame Appearance (See Picture 3,4)
Picture 3
Cap
Maximum
pressure
setting
nut(Yellow)
Manifold
gas
pressure
hole
Picture 4
45
Minimum
pressure
setting
nut(Black)
Picture 2
Inlet gas
pressure
hole